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A Windows 10 computer is not installing updates and continues to receive errors even during manual update installations. Which of the following should a technician do to fix the issues? (Select two).
Answer : B, C
Refreshing local Windows Server Update Services (WSUS) settings and deleting the Windows Update cache are effective steps in resolving issues with Windows 10 not installing updates. These actions help in rectifying any corrupt update files and ensuring that the workstation is properly communicating with the update servers, which can resolve errors during manual and automatic update installations.
A technician wants to update the local security policies on a Windows machine but is unable to launch the expected snap-in. Which of the following is the most likely reason?
Answer : A
The inability to launch the expected security policy snap-in is likely because the computer is running Windows Home edition, which does not include the Group Policy Editor or certain other administrative tools available in Professional, Enterprise, and Education editions. The Home edition is designed for general consumer use and lacks some of the advanced security and management features found in higher editions.
A user's workstation was infected with a newly discovered virus that the AV system detected. After a full virus scan and a workstation reboot, the virus is still present in the OS. Which of the following actions should the user take to remove the virus?
Answer : B
Using bootable antivirus media to scan the system is an effective method for removing a persistent virus. Booting from external antivirus media allows the system to scan for and remove malware without the infected operating system running, which can prevent the virus from hiding or resisting removal efforts that might occur within the active OS environment.
A web developer installs and launches a new external web server. Immediately following the launch, the performance of all traffic traversing the firewall degrades substantially. Which of the following considerations was overlooked?
Answer : B
The performance degradation following the launch of a new external web server suggests that Quality of Service (QoS) considerations were overlooked. QoS settings help prioritize traffic to ensure that critical services like web servers receive the bandwidth they need without negatively impacting the overall network performance. Without proper QoS configuration, the new server's traffic could overwhelm the firewall, leading to widespread performance issues.
Which of the following macOS file types requires mounting before installation?
Answer : D
The .dmg file type in macOS requires mounting before installation. .dmg files are disk image files used to distribute software on macOS. When opened, they mount a virtual disk on the desktop, from which the application can be installed. Other file types like .pkg, .zip, and .app have different processes for installation and do not require mounting in the same way.
